settings.py

"""
Django settings for curvetime project.

Generated by 'django-admin startproject' using Django 2.2.2.

For more information on this file, see
https://docs.djangoproject.com/en/2.2/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/2.2/ref/settings/
"""

import os

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.abspath(__file__))

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/2.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = ''
JWT_SECRET_KEY = ''

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = False if os.environ.get("Release") else True

ALLOWED_HOSTS = ['*']

# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'rest_framework',
    'corsheaders',
    'django_crontab',
    'background_task',
    'django_celery_results',
    'curvetime',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    'corsheaders.middleware.CorsMiddleware',
    'app.middleware.JwtTokenMiddleware',
    'app.middleware.RedisMiddleware',
    'app.middleware.DataAPIMiddleware'
]

ROOT_URLCONF = 'app.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'app.wsgi.application'

# Database for Oracle Data
# https://docs.djangoproject.com/en/2.2/ref/settings/#databases

PG_DATABASE = os.environ.get("PG_DATABASE") or 'curveime'
PG_USER = os.environ.get("PG_USER") or 'curveime'
PG_PASSWORD = os.environ.get("PG_PASSWORD") or 'curveime'
PG_HOST = os.environ.get("PG_HOST") or '127.0.0.1'
PG_PORT = os.environ.get("PG_PORT") or '5432'

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql_psycopg2',
        'NAME': PG_DATABASE,
        'USER': PG_USER,
        'PASSWORD': PG_PASSWORD,
        'HOST': PG_HOST,
        'PORT': PG_PORT,
    }
}

# Password validation
# https://docs.djangoproject.com/en/2.2/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]

# Internationalization
# https://docs.djangoproject.com/en/2.2/topics/i18n/

LANGUAGE_CODE = 'zh-hans'

TIME_ZONE = 'Asia/Shanghai'

USE_I18N = True

USE_L10N = True

USE_TZ = False

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.2/howto/static-files/

STATIC_URL = '/static/'

REST_FRAMEWORK = {
    'DEFAULT_PERMISSION_CLASSES': (),
    'DEFAULT_AUTHENTICATION_CLASSES': (),
}

#  Cross Origin
CORS_ALLOW_CREDENTIALS = True
CORS_ORIGIN_ALLOW_ALL = True
CORS_ORIGIN_WHITELIST = [
    'http://*',
    'https://*'
]
CORS_ALLOW_METHODS = (
    'DELETE',
    'GET',
    'OPTIONS',
    'PATCH',
    'POST',
    'PUT',
    'VIEW',
)

CORS_ALLOW_HEADERS = (
    'XMLHttpRequest',
    'X_FILENAME',
    'accept-encoding',
    'authorization',
    'content-type',
    'dnt',
    'origin',
    'user-agent',
    'x-csrftoken',
    'x-requested-with',
    'Pragma',
)

# logs
LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'verbose': {
            'format': '%(levelname)s %(asctime)s %(module)s %(lineno)d %(message)s'
        },
        'simple': {
            'format': '%(levelname)s %(module)s %(lineno)d %(message)s'
        },
    },
    'filters': {
        'require_debug_true': {
            '()': 'django.utils.log.RequireDebugTrue',
        },
    },
    'handlers': {
        'console': {
            'level': 'INFO',
            'filters': ['require_debug_true'],
            'class': 'logging.StreamHandler',
            'formatter': 'simple'
        },
        'file': {
            'level': 'DEBUG',
            'class': 'logging.handlers.RotatingFileHandler',
            'filename': os.path.join(os.path.dirname(BASE_DIR), "logs/background.log"),
            'maxBytes': 300 * 1024 * 1024,
            'backupCount': 10,
            'formatter': 'verbose'
        },
    },
    'loggers': {
        'django': {
            'handlers': ['console'],
            'propagate': True,
            'level': 'INFO',
        },
        'curvetime': {
            'handlers': ['file'],
            'propagate': True,
            'level': 'INFO',
        }
    }
}
# Download Path
MEDIA_ROOT = os.path.join(os.path.dirname(BASE_DIR), 'data/download')

# Redis
REDIS_HOST = os.environ.get("REDIS_HOST") or "127.0.0.1"
REDIS_PORT = os.environ.get("REDIS_PORT") or "6379"
REDIS_DATABASE = os.environ.get("REDIS_DATABASE") or "3"

CACHES = {
    "default": {
        "BACKEND": "django_redis.cache.RedisCache",
        "LOCATION": "redis://" + REDIS_HOST + ":" + REDIS_PORT + "/" + REDIS_DATABASE,
        "OPTIONS": {
            "CLIENT_CLASS": "django_redis.client.DefaultClient",
            "CONNECTION_POOL_KWARGS":
                {"max_connections": 40,  # Redis maximum connections：40
                 "decode_responses": True}  # Decode content to string
        }
    },
}

STATIC_FILE_URL = os.environ.get("STATIC_FILE_URL") or 'http://127.0.0.1:8000/'
IMAGE_PATH = STATIC_FILE_URL

# Default settings
DEFAULT_SYS_SETTINGS = {
    'name': 'Curvetime',
    'icon': IMAGE_PATH + "img/default_icon.png",
    'bg': IMAGE_PATH + "img/default_bg.png",
    'language': 'cn',
    'fail_times': 5
}
ALLOWED_HOSTS = ['*']

# Celery
CELERY_BROKER_URL = 'redis://' + REDIS_HOST + ':' + REDIS_PORT + '/1'
CELERY_RESULT_BACKEND = 'django-cache'
CELERY_CACHE_BACKEND = 'default'
# CELERY_REDIS_HOST = 'localhost'
# CELERY_REDIS_PORT = '6379'
# CELERY_REDIS_DATABASE = '4'


# CouchDB
COUCH_SERVER_URL = 'http://admin:admin@localhost:5984/'
COUCH_DATABASE = 'curvetime'


# Blockchain Nodes
CONNECTED_NODE_ADDRESS = ['http://localhost:8000']